Question

Which two square roots are used to estimate the square root of 42

25, 36
36,49
46,64
or 25,64

Answer 1

The number 42 is between 36 and 49.
√36 = 6, √49 = 7
6 < √42 < 7 ( √42 = 6.48 )
Answer:
B ) 36, 49